创建一个双链表结点

package DataStructureTestSinglyLinkedList;public class DLinkNode<T> {public T data;//数据元素public DLinkNode<T> prev,next;//prev指向前驱节点，next指向后驱结点//构造函数public DLinkNode(T data,DLinkNode<T> prev,DLinkNode<T>next){this.data=data;this.prev=prev;this.next=next;}public DLinkNode(){this(null,null,null);}}